ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,529, issued on May 19, was assigned to Ningde Amperex Technology Ltd. (Ningde, China).

"Negative electrode material, negative electrode containing negative electrode material, and negative electrode manufacturing method" was invented by Chengbo Zhang (Ningde, China), Yuhao Lu (Ningde, China) and Yuansen Xie (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A negative electrode material includes a silicon-containing material. The silicon-containing material includes at least one of pure silicon, silicon carbon, a silicon alloy, or a silicon oxide. A ratio B/A of a maximum value B in differentials dQ/dV with respect to 0.4V-0.55V to a maxim...